Home / 421,448,545.88-581,586,367.17-233,284,552.50

Finding the Fourth Proportional to 421,448,545.88, 581,586,367.17 and 233,284,552.50

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Solution

The fourth proportional to 421,448,545.88, 581,586,367.17 and 233,284,552.50 is: 321,925,693.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,448,545.88 : 581,586,367.17 = 233,284,552.50 : x
  2. Step 2: Convert to fraction form
    421,448,545.88/581,586,367.17 = 233,284,552.50/x
  3. Step 3: Cross multiply
    421,448,545.88x = 581,586,367.17 × 233,284,552.50
  4. Step 4: Simplify right side
    421,448,545.88x = 135,675,115,405,354,128
  5. Step 5: Solve for x
    x = 135,675,115,405,354,128/421,448,545.88
  6. Step 6: Final answer
    x = 321,925,693.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.